Calculate data weights based on st. dev. within each spw.

Statwt Summary Plot

VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms

Plot of antenna-based weight vs. antenna or spectral window (before re-weight)

Plot of antenna-based weight vs. antenna or spectral window (after re-weight)

Statwt Summary

Summary of before/after-statwt antenna-based weights (Wi) for each antenna. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Antenna Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
ea01 1342 1342/1342 1342 ± 0 5.327 5.215/6.051 5.59 ± 0.5459
ea02 1342 1342/1342 1342 ± 0 5.899 5.304/6.532 5.963 ± 0.6569
ea04 1342 1342/1342 1342 ± 0 5.278 5.066/6.031 5.552 ± 0.5612
ea05 1342 1342/1342 1342 ± 0 5.637 5.394/6.511 5.874 ± 0.6275
ea06 1342 1342/1342 1342 ± 0 4.874 4.774/5.413 5.079 ± 0.4281
ea07 1342 1342/1342 1342 ± 0.00003501 5.649 5.286/6.268 5.868 ± 0.6835
ea08 1342 1342/1342 1342 ± 0 5.781 5.499/6.654 6.087 ± 0.6873
ea10 1342 1342/1342 1342 ± 0.00003895 5.378 5.219/6.627 5.828 ± 0.7567
ea11 0 N/A 0 ± N/A 0 N/A 0 ± N/A
ea12 1342 1342/1342 1342 ± 0 5.467 5.267/6.521 5.842 ± 0.7036
ea13 1342 1342/1342 1342 ± 0 6.264 5.72/6.697 6.165 ± 0.5353
ea14 1342 1342/1342 1342 ± 0.00001686 5.399 5.232/6.368 5.721 ± 0.7009
ea15 1342 1342/1342 1342 ± 0 5.534 5.064/6.152 5.661 ± 0.6693
ea16 1342 1342/1342 1342 ± 0 5.828 5.577/6.741 6.106 ± 0.8048
ea17 1342 1342/1342 1342 ± 0.00004144 5.688 5.331/6.558 5.983 ± 0.7106
ea18 1342 1342/1342 1342 ± 0 4.829 4.617/5.594 5.023 ± 0.5681
ea19 1342 1342/1342 1342 ± 0.000009569 5.872 5.479/6.725 6.081 ± 0.6545
ea20 1342 1342/1342 1342 ± 0 5.781 5.491/6.758 6.111 ± 0.7337
ea21 1342 1342/1342 1342 ± 0.0000111 5.584 5.312/6.308 5.789 ± 0.6282
ea22 1342 1342/1342 1342 ± 0 5.998 5.195/6.297 5.827 ± 0.6742
ea23 1342 1342/1342 1342 ± 0.00003138 5.511 5.389/6.554 5.955 ± 0.7577
ea25 1342 1342/1342 1342 ± 0.00003727 5.218 5.03/6.024 5.564 ± 0.6746
ea26 1342 1342/1342 1342 ± 0 6.328 5.637/6.783 6.244 ± 0.6435
ea27 1342 1342/1342 1342 ± 0.00004367 5.34 5.025/6.318 5.643 ± 0.6726
ea28 1342 1342/1342 1342 ± 0.00002884 5.504 5.295/6.39 5.819 ± 0.7015
Summary of before/after-statwt antenna-based weights (Wi) for each spectral window. The antenna-based weights are derived from the visibility WEIGHT column: WijWiWj.
Spw Selection statwt before statwt after
Median 1st/3rd Quartile Mean ± S.Dev. Median 1st/3rd Quartile Mean ± S.Dev.
2 1342 1342/1342 1342 ± 0.0000244 5.262 5.043/5.521 5.282 ± 0.2611
3 1342 1342/1342 1342 ± 0.00002816 5.004 4.778/5.161 5.013 ± 0.3347
5 1342 1342/1342 1342 ± 0.0000244 5.348 5.08/5.432 5.26 ± 0.3311
6 1342 1342/1342 1342 ± 0.0000244 5.288 5.064/5.482 5.273 ± 0.2826
7 1342 1342/1342 1342 ± 0.0000244 5.3 5.188/5.5 5.32 ± 0.2513
8 1342 1342/1342 1342 ± 0.0000244 5.288 5.038/5.417 5.254 ± 0.272
9 1342 1342/1342 1342 ± 0.0000244 5.584 5.418/5.84 5.583 ± 0.3004
10 1342 1342/1342 1342 ± 0.0000244 6.028 5.904/6.17 5.991 ± 0.3206
11 1342 1342/1342 1342 ± 0.0000244 6.298 6.163/6.398 6.23 ± 0.3236
12 1342 1342/1342 1342 ± 0.0000244 6.489 6.227/6.617 6.402 ± 0.3539
13 1342 1342/1342 1342 ± 0.0000244 6.868 6.764/7.098 6.856 ± 0.3725
14 1342 1342/1342 1342 ± 0.0000244 7.167 6.916/7.34 7.065 ± 0.4092
15 1342 1342/1342 1342 ± 0.0000244 6.575 6.286/6.829 6.526 ± 0.4308
16 1342 1342/1342 1342 ± 0.00005591 5.396 5.204/5.682 5.442 ± 0.4742
17 1342 1342/1342 1342 ± 0.00005234 5.518 5.341/5.836 5.615 ± 0.4863
datacolumn
residual_data
vis
VLASS2.1.sb38464181.eb38625161.59091.97021673611_split_split.ms
statwtmode
VLASS-SE
output_dir
 
overwrite_modelcol
False
Start time
2024-12-21 09:31:29.500
End
2024-12-21 10:28:19.492
Duration
0:56:49.992
Note, WebLog generation is not included in the time.

CASA logs for stage 8